Processing method for electronic/electric device component waste

Abstract

Provided is a method for processing electronic/electrical device component waste, which can increase an amount of electronic/electrical device component waste processed in a smelting step and efficiently recover valuable metals. The method for processing electronic/electrical device component waste includes a step of processing the electronic/electrical device component waste in a smelting step, wherein prior to the smelting step, the method includes a step for reducing smelting inhibitors contained in the electronic/electrical device component waste

1 . A method for processing electronic/electrical device component waste comprising:
 a step of processing the electronic/electrical device component waste in a smelting step, which comprises a step of crushing and sieving the electronic/electrical device component waste; and a step of subjecting the crushed and sieved waste to a copper smelting,   wherein prior to the step of crushing and sieving the electronic/electrical device component waste, the method comprises a step for reducing smelting inhibitors contained in the electronic/electrical device component waste.   
     
     
         2 . The method for processing the electronic/electrical device component waste according to  claim 1 , wherein the step of processing the electronic/electrical device component waste in the smelting step comprises a step of incinerating the electronic/electrical device component waste prior to the step of crushing and sieving the electronic/electrical device component waste. 
     
     
         3 . The method for processing the electronic/electrical device component waste according to  claim 1 , wherein an amount of the electronic/electrical device component waste processed is increased in the smelting step by a decreased amount of the smelting inhibitors contained in the electronic/electrical device component waste. 
     
     
         4 . The method for processing the electronic/electrical device component waste according to  claim 1 , wherein the step for reducing the smelting inhibitors comprises removing component waste containing the smelting inhibitors from the electronic/electrical device component waste. 
     
     
         5 . The method for processing the electronic/electrical device component waste according to  claim 1 , wherein the step for reducing the smelting inhibitors comprises sorting and removing the component waste containing the smelting inhibitors by a physical sorting step. 
     
     
         6 . The method for processing the electronic/electrical device component waste according to  claim 1 , wherein the smelting inhibitors contain Sb. 
     
     
         7 . The method for processing the electronic/electrical device component waste according to  claim 1 , wherein the smelting inhibitors contain at least one selected from the group consisting of Sb, Al, Fe and Ni. 
     
     
         8 . The method for processing the electronic/electrical device component waste according to  claim 1 , wherein the step for reducing the smelting inhibitors comprises removing synthetic resins containing Sb. 
     
     
         9 . The method for processing the electronic/electrical device component waste according to  claim 1 , wherein the step for reducing the smelting inhibitors comprises:
 subjecting the electronic/electrical device component waste to wind power sorting in at least two stages to remove at least powdery materials and film-shaped component waste in the electronic/electrical device component waste; and   removing synthetic resins in the electronic/electrical device component waste by subjecting the electronic/electrical device component waste classified into heavy weight materials in the wind powder sorting, to sorting using a metal sorter.   
     
     
         10 . The method for processing the electronic/electrical device component waste according to  claim 1 , wherein the smelting step comprises a copper smelting step using a flash furnace. 
     
     
         11 . The method for processing the electronic/electrical device component waste according to  claim 1 , wherein the step of processing the electronic/electrical device component waste in the smelting step comprises a step of incinerating the electronic/electrical device component waste; a step of crushing and sieving the incinerated waste; and subjecting the crushed and sieved waste to copper smelting.